aboutsummaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp30
1 files changed, 0 insertions, 30 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index da84b38634..88cc853ebe 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -1504,36 +1504,6 @@ void SelectionDAGLowering::visitFrameReturnAddress(CallInst &I, bool isFrame) {
}
void SelectionDAGLowering::visitMemIntrinsic(CallInst &I, unsigned Op) {
-#if 0
- // If the size of the cpy/move/set is constant (known)
- if (ConstantUInt* op3 = dyn_cast<ConstantUInt>(I.getOperand(3))) {
- uint64_t size = op3->getValue();
- switch (Op) {
- case ISD::MEMSET:
- if (size <= TLI.getMaxStoresPerMemSet()) {
- if (ConstantUInt* op4 = dyn_cast<ConstantUInt>(I.getOperand(4))) {
- uint64_t TySize = TLI.getTargetData().getTypeSize(Ty);
- uint64_t align = op4.getValue();
- while (size > align) {
- size -=align;
- }
- Value *SrcV = I.getOperand(0);
- SDOperand Src = getValue(SrcV);
- SDOperand Ptr = getValue(I.getOperand(1));
- DAG.setRoot(DAG.getNode(ISD::STORE, MVT::Other, getRoot(), Src, Ptr,
- DAG.getSrcValue(I.getOperand(1))));
- }
- break;
- }
- break; // don't do this optimization, use a normal memset
- case ISD::MEMMOVE:
- case ISD::MEMCPY:
- break; // FIXME: not implemented yet
- }
- }
-#endif
-
- // Non-optimized version
std::vector<SDOperand> Ops;
Ops.push_back(getRoot());
Ops.push_back(getValue(I.getOperand(1)));